|
US1778858A
|
|
Preparation of phenol compounds from dihydroxy-diphenyl-methane derivatives
|
|
US1786922A
|
|
Production of thymol
|
|
US1689368A
|
|
Printing ink
|
|
US1786873A
|
|
Pharmaceutical product and process of making same
|
|
US1683104A
|
|
Auro mercapto carboxylic acid and process of making same
|
|
US1683105A
|
|
Metallo mercapto compounds and process of making same
|
|
US1723457A
|
|
Chloro-iodides of 2-amino-pyridin-salts and process of making same
|
|
US1642830A
|
|
Pharmaceutical product containing arsenic and process of making same
|
|
US1667053A
|
|
Diacyl isothiocarbamide ether and method of producing same
|
|
US1663390A
|
|
Pharmaceutical product
|
|
US1667052A
|
|
Pharmaceutical product
|
|
US1752826A
|
|
Composition of matter and method of producing same
|
|
US1685341A
|
|
Pharmaceutical products
|
|
US1711696A
|
|
Esters of amino propanes
|
|
US1570469A
|
|
Resin substitute produced by friedel crafts reaction
|
|
US1437740A
|
|
Production of alkali-metal bromides
|
